class rate

基本解释

For most people, the first-class rate has the greatest impact, covering cards and letters.
對多數人來說，受到一類資費的影響最大。這個資費涵蓋了信用卡，信件。
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Treat the low efficiency as foe, seek remarkable outstanding, emotionalize customers through the first-class rate, the first-class skills and the simple emotions to realize customer's dream.
疾慢如仇，追求卓越，情感顧客；用一流的速度、一流的技能、樸實的情懷去實現顧客的夢想。
"I also think we should take a look at the tax portion of the stimulus package, take a look at reducing the middle class tax rate, " he said.
我還認爲我們應該關注這個刺激方案中有關稅收的部分，關注降低中産堦級稅率的問題。

This is the last question we'll see in class on the photoelectric effect, so hopefully we can have a very high success rate here to show we are all ready to move on with our lives here.
這是這個課上最後一個關於,光電傚應的問題，所以希望,你們能有個高的通過率,來証明我們已經可以繼續往下走。
麻省理工公開課 - 化學原理課程節選

Another way to look at it is that nonsmokers in the highest social class have a higher rate of obesity (13.3%) than smokers in the lowest social class (13.1%).
FORBES: Smoking Reduces Obesity
Their aim is to devise a tool that measures the attention of students, taking into account how they rate the class and how alert they are.
FORBES: International Backgrounds Shape Education Entrepreneurs
Mr. FLETCHER: I'm not optimistic about any middle class unless we increase the rate of unionization and unless we change the political priorities of this country.
NPR: U.S. Factory Workers Competing in a Global Market